分析脚手架表面缺陷的五种检测方法脚手架表面缺陷的检测方法，主要有以下五种：一电涡流检测.电涡流检测有多种形式，常用的有常规涡流检测、远场涡流检测、多频涡流检测和脉冲涡流检测等，利用电涡流传感器对金属进行感应，脚手架表面不同缺陷类型…

北京地区脚手架价格较上周跌20-30元。本周北京地区贸易商心态较为谨慎，补库速度减缓，脚手架大户贸易商库存量较为齐全。一些脚手架厂家做钢厂直发，出货量还不错，主要以山东墨龙和元铧的脚手架为主。截至5月31日，山东108*4.5报价4750元；山东159*6报价4700元；山东墨龙325*8报价5000元。

The price of local government in Beijing dropped 20-30 yuan from last week. This week, traders in Beijing were more cautious, the speed of replenishment slowed down, and the inventory of large traders under the control of the party was relatively complete. Some square pipe manufacturers make direct delivery in steel mills, with good shipments, mainly in Shandong Molong and Yuanbao square pipe. As of May 31, Shandong 108*4.5 quoted 4750 yuan; Shandong 159*6 quoted 4700 yuan; Shandong Merong 325*8 quoted 5000 yuan.

本周临沂脚手架厂出厂价格有所下调，下调幅度在20-30元，中等热轧管出厂价格在4320-4380元之间，个别管厂有优惠政策出台刺激出货量。

This week, the ex-factory price of Linyi Fang Pipe Factory has been lowered by 20-30 yuan, and the ex-factory price of medium hot-rolled pipe is between 4320-4380 yuan. Some pipe factories have introduced preferential policies to stimulate the output.

北京地区主要以山东和河南凤宝货为主，包钢和新冶特钢的货几乎没有。北京地区脚手架厂家零售出货量偏差，在百吨以内，倾向于做钢厂直发，销往西北、西南地区的比较多。贸易商悲观情绪浓郁，倾向于能不补库尽量不补库。短期内北京脚手架市场还将持稳偏弱运行。

The main products in Beijing are Fengbao in Shandong and Henan, while there are almost no products in Baotou Steel and Xinye Special Steel. The deviation of retail shipments of local managed traders in Beijing area is less than 100 tons, which tends to be direct shipments of steel mills, and more of them are sold to the northwest and southwest regions. Traders are pessimistic and tend to avoid replenishment as much as possible. In the short run, the Beijing Square Management Market will remain stable and weak. 

　　脚手架市场价格稳中有降厂家心态依旧偏弱脚手架市场价格稳中有降。主导市场，北京、天津、上海、广州均出现下降。期螺夜盘保持了高位走势，不过早盘在多头强势发力后开始走弱， 消息面没有新的利好支撑，盘面走势不佳，所以今日开市，市场价格稳中有降。午后…